// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_ACCESSIBILITY_PLATFORM_TEST_AX_NODE_WRAPPER_H_
#define UI_ACCESSIBILITY_PLATFORM_TEST_AX_NODE_WRAPPER_H_

#include "ui/accessibility/ax_node.h"
#include "ui/accessibility/ax_tree.h"
#include "ui/accessibility/platform/ax_platform_node.h"
#include "ui/accessibility/platform/ax_platform_node_delegate.h"

namespace ui {

// For testing, a TestAXNodeWrapper wraps an AXNode, implements
// AXPlatformNodeDelegate, and owns an AXPlatformNode.
class TestAXNodeWrapper : public AXPlatformNodeDelegate {
public:
    // Create TestAXNodeWrapper instances on-demand from an AXTree and AXNode.
    // Note that this sets the AXTreeDelegate, you can't use this class if
    // you also want to implement AXTreeDelegate.
    static TestAXNodeWrapper* GetOrCreate(AXTree* tree, AXNode* node);

    // Set a global coordinate offset for testing.
    static void SetGlobalCoordinateOffset(const gfx::Vector2d& offset);

    virtual ~TestAXNodeWrapper();

    AXPlatformNode* ax_platform_node() { return platform_node_; }

    // AXPlatformNodeDelegate.
    const AXNodeData& GetData() override;
    gfx::NativeViewAccessible GetParent() override;
    int GetChildCount() override;
    gfx::NativeViewAccessible ChildAtIndex(int index) override;
    gfx::Vector2d GetGlobalCoordinateOffset() override;
    gfx::NativeViewAccessible HitTestSync(int x, int y) override;
    gfx::NativeViewAccessible GetFocus() override;
    gfx::AcceleratedWidget GetTargetForNativeAccessibilityEvent() override;
    void DoDefaultAction() override;
    bool SetStringValue(const base::string16& new_value) override;

private:
    TestAXNodeWrapper(AXTree* tree, AXNode* node);

    AXTree* tree_;
    AXNode* node_;
    AXPlatformNode* platform_node_;
};

} // namespace ui

#endif // UI_ACCESSIBILITY_PLATFORM_TEST_AX_NODE_WRAPPER_H_
